Bernal, Ignacio The Olmec world. Translated by Doris Heydon and Fernando Horcasitas. - Berkeley University of California Press 1969. - xiv, 273 p. illus., maps. 29 cm. Bibliography: p. 195-208. LCCN: 68013351 //r893 Subjects--Topical Terms: OlmecsIndians of México--Mexico--Veracruz (State) Subjects--Geographic Terms: Veracruz Mexico : State--Antiquities. LC Class. No.: F1219 / .B51713 Dewey Class. No.: 970.3